Home / 3,090.26-4,636.20-1,629.02

Finding the Fourth Proportional to 3,090.26, 4,636.20 and 1,629.02

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Solution

The fourth proportional to 3,090.26, 4,636.20 and 1,629.02 is: 2,443.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.26 : 4,636.20 = 1,629.02 : x
  2. Step 2: Convert to fraction form
    3,090.26/4,636.20 = 1,629.02/x
  3. Step 3: Cross multiply
    3,090.26x = 4,636.20 × 1,629.02
  4. Step 4: Simplify right side
    3,090.26x = 7,552,462.52
  5. Step 5: Solve for x
    x = 7,552,462.52/3,090.26
  6. Step 6: Final answer
    x = 2,443.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.